/* Simple responsive styles */
*{box-sizing:border-box;margin:0;padding:0;font-family:Arial,Helvetica,sans-serif;}
body{display:flex;flex-direction:column;min-height:100vh;color:#333;}
header{padding:1rem;background:#4f46e5;color:#fff;}
header h1{margin-bottom:.5rem;}
nav a{color:#fff;margin-right:1rem;text-decoration:none;font-weight:bold;}
nav a:hover{text-decoration:underline;}
main{flex:1;padding:2rem;max-width:800px;margin:0 auto;}
footer{background:#eee;padding:1rem;text-align:center;}
.hero{text-align:center;padding:3rem 1rem;}
.hero .btn{display:inline-block;margin-top:1rem;padding:.75rem 1.5rem;background:#4f46e5;color:#fff;border-radius:4px;text-decoration:none;font-weight:bold;}
.hero .btn:hover{background:#4338ca;}
ul{margin-left:1.5rem;margin-bottom:1rem;}
h2{margin:1.5rem 0 1rem;}